I-5 Nbcd over Skookumchuck River

Good Condition13 years old13,656 vehicles/day

Location

StateWashington
CountyLewis
Location0.7 N Jct SR 507
CarriesI-5 Nbcd
CrossesSkookumchuck River
Coordinates46.72058, -122.97619

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length305.1 ft (93 m)
Max Span145.0 ft (44.2 m)
Deck Width41.0 ft (12.5 m)
Deck Area1162.5 sq m
Main Spans3
Year Built2013

Traffic

Avg Daily Traffic13,656 (2023)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0018272A0000000

Nearby Bridges